From: Wolfgang Bumiller <w.bumiller@proxmox.com>
Date: Thu, 18 Jan 2018 11:32:36 +0100
Subject: net: sched: fix TCF_LAYER_LINK case in tcf_get_base_ptr
Patch-mainline: v4.15
Git-commit: d3303a65a00c94372ddab831570647488e6c06e2
References: bsc#1109837

TCF_LAYER_LINK and TCF_LAYER_NETWORK returned the same pointer as
skb->data points to the network header.
Use skb_mac_header instead.

Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 include/net/pkt_cls.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/include/net/pkt_cls.h
+++ b/include/net/pkt_cls.h
@@ -522,7 +522,7 @@ static inline unsigned char * tcf_get_ba
 {
 	switch (layer) {
 		case TCF_LAYER_LINK:
-			return skb->data;
+			return skb_mac_header(skb);
 		case TCF_LAYER_NETWORK:
 			return skb_network_header(skb);
 		case TCF_LAYER_TRANSPORT: